well, it is loading razor but not pyzor. razor is still absent from the headers too.

i'll have to do some more digging.

It may also help to increase the logging level in Amavis from the Zimbra-set "1" to "2". You can do this by editing as root the following line in /opt/zimbra/conf/amavisd.conf.in and then restarting Amavis.

Note that this file is set to be read-only, so to edit the file you'll need to change the file's permissions first (via the "chmod" command), edit the file, and then (ideally) set the permissions back the way they were before you started.

Increasing the logging level to 2 we have found helps answer the question "Why was that email marked as spam?" In /var/log/zimbra.log, Amavis will no report every specific test that added to the score of an email, as well as by how much, like so: